Consolidated Schedule of Investments	6 Months Ended		12 Months Ended
	Jun. 30, 2020 USD ($)		Dec. 31, 2019 USD ($)		Dec. 31, 2019 EUR (€)
Amortized Cost	$ 353,225,888		$ 352,351,819
Fair Value	330,593,500		340,298,376
Agricultural Products [Member]
Fair Value	12,256,800		12,417,122
Electric Services [Member]
Fair Value	1,408,638		16,383,269
Personal Credit Institutions [Member]
Fair Value	2,975,691		3,603,592
Corrugated And Solid Fiber Boxes [Member]
Fair Value	13,351,735
Secondary Nonferrous Metals [Member]
Fair Value	17,530,616		17,530,616
Coal and Other Minerals and Ores [Member]
Fair Value	31,959,683		32,348,090
Chemicals and Allied Products [Member]
Fair Value	15,000,000		15,000,000
Refuse Systems [Member]
Fair Value	27,738,539		25,766,063
Logging [Member]
Fair Value	5,797,622		5,612,436
Consumer Products [Member]
Fair Value	9,318,469		9,318,469
Short-Term Business Credit [Member]
Fair Value	4,740,000		4,740,000
Programming and Data Processing [Member]
Fair Value	17,967,951		17,740,330
Boatbuilding and Repairing [Member]
Fair Value	5,848,683		5,695,069
Hotels and Motels [Member]
Fair Value	11,359,874		12,846,584
Telephone Communications [Member]
Fair Value	35,747,233		36,794,973
Department Stores [Member]
Fair Value	8,786,977		8,638,109
Petroleum and Petroleum Products [Member]
Fair Value	14,592,683		15,500,000
Freight Transportation Arrangement [Member]
Fair Value	13,779,518		13,505,035
Land Subdividers and Developers [Member]
Fair Value	14,873,425		16,781,000
Motor Vehicle Parts and Accessories [Member]
Fair Value	8,974,373		8,731,936
Water Transportation [Member]
Fair Value	10,515,860		12,748,503
Food Products [Member]
Fair Value	2,242,237		2,724,804
Farm Products [Member]
Fair Value	9,667,785		9,644,313
Soap, Detergents, and Cleaning [Member]
Fair Value	2,620,083		2,894,698
Meat, Poultry & Fish [Member]
Fair Value	6,361,679		6,240,961
Fats and Oils [Member]
Fair Value	3,398,558		3,398,558
Chocolate and Cocoa Products [Member]
Fair Value	9,192,637		9,687,887
Commercial Fishing [Member]
Fair Value	35,838		35,838
Telephone and Telegraph Apparatus [Member]
Fair Value	7,686,402		8,840,048
Groceries and Related Products [Member]
Fair Value	457,418		468,756
Drugs, Proprietaries, and Sundries [Member]
Fair Value	648,430		803,254
Financial Services [Member]
Fair Value	3,758,063		3,758,063
Communications Equipment [Member]
Fair Value			100,000
Brazil [Member]
Fair Value	26,393,798		26,012,563
Chile [Member]
Fair Value	2,678,224		2,652,855
Colombia [Member]
Fair Value	23,456,424		23,479,065
Ecuador [Member]
Fair Value	13,387,573		35,838
Hong Kong [Member]
Fair Value	49,646,085		51,188,138
Malaysia [Member]
Fair Value	15,000,000		15,000,000
Mexico [Member]
Fair Value	27,738,539		25,766,063
New Zealand [Member]
Fair Value	5,797,622		5,612,436
Peru [Member]
Fair Value	4,599,086		4,599,086
Botswana [Member]
Fair Value	4,740,000		4,740,000
Cabo Verde [Member]
Fair Value	11,359,874		12,846,584
Croatia [Member]
Fair Value	8,786,977		8,638,109
Ghana [Member]
Fair Value	14,592,683		30,500,000
Jersey [Member]
Fair Value	15,266,500		16,919,500
Kenya [Member]
Fair Value	13,779,518		13,505,035
Namibia [Member]
Fair Value	14,873,425		16,781,000
Netherlands [Member]
Fair Value	8,974,373		8,731,936
Nigeria [Member]
Fair Value	12,030,084		14,262,726
Romania [Member]
Fair Value	1,744,775		2,034,188
Uganda [Member]
Fair Value	6,873,472		6,850,000
Zambia [Member]
Fair Value	2,620,083		2,894,698
Argentina [Member]
Fair Value	24,159,256		24,198,860
Cameroon [Member]
Fair Value	9,192,637		9,687,887
Guatemala [Member]
Fair Value	10,504		10,504
Mauritius [Member]
Fair Value	457,418		468,756
Morocco [Member]
Fair Value	7,530,616		7,530,616
Morocco [Member] | Scrap Metal Recycler [Member]
Principal Amount	7,349,626
South Africa [Member]
Fair Value	497,462		790,616
United Arab Emirates [Member]
Fair Value	648,430		803,254
Senior Secured Term Loans [Member]
Amortized Cost	99,689,547	[1]	83,627,340	[1]
Fair Value	$ 99,415,415	[1]	$ 83,353,208	[1]
% of Net Assets	27.70%	[1]	22.60%	[1]	22.60%	[1]
Senior Secured Term Loans [Member] | Brazil [Member] | Usivale Industria E Commercio Ltda [Member] | Agricultural Products [Member] | Sugar Producer [Member]
Interest	12.43%	[1],[2],[3]	12.43%	[1],[3],[4]	12.43%	[1],[3],[4]
Fees	0.00%	[1],[2],[3],[5]	0.00%	[1],[3],[4],[5]
Maturity	Dec. 15, 2020	[1],[2],[3],[6]	Dec. 15, 2020	[1],[3],[4],[6]	Dec. 15, 2020	[1],[3],[4],[6]
Principal Amount	$ 2,851,296	[1],[2],[3]	$ 2,851,296	[1],[3],[4]
Amortized Cost	2,851,296	[1],[2],[3]	2,851,296	[1],[3],[4]
Fair Value	$ 2,577,164	[1],[2],[3]	$ 2,577,164	[1],[3],[4]
% of Net Assets	0.70%	[1],[2],[3]	0.70%	[1],[3],[4]	0.70%	[1],[3],[4]
Senior Secured Term Loans [Member] | Chile [Member] | Other Investments [Member] | Electric Services [Member] | LED Lighting Service Provider [Member]
Interest	11.00%	[1],[3],[7]	11.00%	[1],[7]	11.00%	[1],[7]
Fees	0.00%	[1],[3],[5],[7]	0.00%	[1],[5],[7]
Maturity	Jun. 06, 2021	[1],[3],[6],[7]	Jun. 06, 2021	[1],[6],[7]	Jun. 06, 2021	[1],[6],[7]
Principal Amount	$ 1,456,162	[1],[3],[7]	$ 1,456,161	[1],[7]
Amortized Cost	1,408,638	[1],[3],[7]	1,383,269	[1],[7]
Fair Value	$ 1,408,638	[1],[3],[7]	$ 1,383,269	[1],[7]
% of Net Assets	0.40%	[1],[3],[7]	0.40%	[1],[7]	0.40%	[1],[7]
Senior Secured Term Loans [Member] | Colombia [Member] | Other Investments [Member] | Personal Credit Institutions [Member] | Consumer Lender [Member]
Interest	11.25%	[1],[7]	11.25%	[1],[7]	11.25%	[1],[7]
Fees	0.00%	[1],[5],[7]	0.00%	[1],[5],[7]
Maturity	Aug. 01, 2021	[1],[6],[7]	Aug. 01, 2021	[1],[6],[7]	Aug. 01, 2021	[1],[6],[7]
Principal Amount	$ 2,975,691	[1],[7]	$ 3,603,592	[1],[7]
Amortized Cost	2,975,691	[1],[7]	3,603,592	[1],[7]
Fair Value	$ 2,975,691	[1],[7]	$ 3,603,592	[1],[7]
% of Net Assets	0.80%	[1],[7]	1.00%	[1],[7]	1.00%	[1],[7]
Senior Secured Term Loans [Member] | Ecuador [Member] | Other Investments [Member] | Corrugated And Solid Fiber Boxes [Member] | Sustainable Packaging Manufacturer [Member]
Fees	0.00%	[1],[5]
Maturity	Jun. 18, 2025	[1],[6]
Principal Amount	$ 13,351,735	[1]
Amortized Cost	13,351,735	[1]
Fair Value	$ 13,351,735	[1]
% of Net Assets	3.70%	[1]
Senior Secured Term Loans [Member] | Ecuador [Member] | Other Investments [Member] | Cash [Member] | Corrugated And Solid Fiber Boxes [Member] | Sustainable Packaging Manufacturer [Member]
Interest	9.16%	[1]
Senior Secured Term Loans [Member] | Ecuador [Member] | Other Investments [Member] | PIK [Member] | Corrugated And Solid Fiber Boxes [Member] | Sustainable Packaging Manufacturer [Member]
Interest	2.20%	[1]
Senior Secured Term Loans [Member] | Hong Kong [Member] | Other Investments [Member] | Secondary Nonferrous Metals [Member] | Minor Metals Resource Trader [Member]
Interest	12.00%	[1],[8]	12.00%	[1],[8]	12.00%	[1],[8]
Fees	0.00%	[1],[5],[8]	0.00%	[1],[5],[8]
Maturity	Jun. 22, 2021	[1],[6],[8]	Jun. 22, 2021	[1],[6],[8]	Jun. 22, 2021	[1],[6],[8]
Principal Amount	$ 10,000,000	[1],[8]	$ 10,000,000	[1],[8]
Amortized Cost	10,000,000	[1],[8]	10,000,000	[1],[8]
Fair Value	$ 10,000,000	[1],[8]	$ 10,000,000	[1],[8]
% of Net Assets	2.80%	[1],[8]	2.70%	[1],[8]	2.70%	[1],[8]
Senior Secured Term Loans [Member] | Hong Kong [Member] | Other Investments [Member] | Coal and Other Minerals and Ores [Member] | Resource Trader [Member]
Interest	11.50%	[1],[9]	11.50%	[1],[9]	11.50%	[1],[9]
Fees	0.00%	[1],[5],[9]	0.00%	[1],[5],[9]
Maturity	Dec. 31, 2020	[1],[6],[9]	Dec. 28, 2020	[1],[6],[9]	Dec. 28, 2020	[1],[6],[9]
Principal Amount	$ 17,166,559	[1],[9]	$ 15,891,820	[1],[9]
Amortized Cost	17,166,559	[1],[9]	15,891,820	[1],[9]
Fair Value	$ 17,166,559	[1],[9]	$ 15,891,820	[1],[9]
% of Net Assets	4.80%	[1],[9]	4.30%	[1],[9]	4.30%	[1],[9]
Senior Secured Term Loans [Member] | Malaysia [Member] | Other Investments [Member] | Chemicals and Allied Products [Member] | Wholesale Distributor [Member]
Interest	12.00%	[1],[10]	12.00%	[1],[11]	12.00%	[1],[11]
Fees	0.00%	[1],[5],[10]	0.00%	[1],[5],[11]
Maturity	Mar. 31, 2021	[1],[6],[10]	Mar. 31, 2021	[1],[6],[11]	Mar. 31, 2021	[1],[6],[11]
Principal Amount	$ 15,000,000	[1],[10]	$ 15,000,000	[1],[11]
Amortized Cost	15,000,000	[1],[10]	15,000,000	[1],[11]
Fair Value	$ 15,000,000	[1],[10]	$ 15,000,000	[1],[11]
% of Net Assets	4.20%	[1],[10]	4.10%	[1],[11]	4.10%	[1],[11]
Senior Secured Term Loans [Member] | Mexico [Member] | Blue Arrow Biojet Holdings, LLC [Member] | Refuse Systems [Member] | Waste to Fuels Processor [Member]
Fees	0.00%	[1],[5],[12]	0.00%	[1],[5],[13]
Maturity	Jul. 27, 2021	[1],[6],[12]	Jul. 27, 2021	[1],[6],[13]	Jul. 27, 2021	[1],[6],[13]
Principal Amount	$ 26,538,921	[1],[12]	$ 24,685,841	[1],[13]
Amortized Cost	26,538,921	[1],[12]	24,685,841	[1],[13]
Fair Value	$ 26,538,921	[1],[12]	$ 24,685,841	[1],[13]
% of Net Assets	7.40%	[1],[12]	6.70%	[1],[13]	6.70%	[1],[13]
Senior Secured Term Loans [Member] | Mexico [Member] | Blue Arrow Biojet Holdings, LLC [Member] | PIK [Member] | Refuse Systems [Member] | Waste to Fuels Processor [Member]
Interest	14.50%	[1],[12]	14.50%	[1],[13]	14.50%	[1],[13]
Senior Secured Term Loans [Member] | New Zealand [Member] | Other Investments [Member] | Logging [Member] | Sustainable Timber Exporter [Member]
Interest	11.50%	[1],[14]	11.50%	[1],[15]	11.50%	[1],[15]
Fees	0.00%	[1],[5],[14]	0.00%	[1],[5],[15]
Maturity	Feb. 11, 2021	[1],[6],[14]	Feb. 11, 2021	[1],[6],[15]	Feb. 11, 2021	[1],[6],[15]
Principal Amount	$ 5,797,622	[1],[14]	$ 5,612,436	[1],[15]
Amortized Cost	5,797,622	[1],[14]	5,612,436	[1],[15]
Fair Value	$ 5,797,622	[1],[14]	$ 5,612,436	[1],[15]
% of Net Assets	1.60%	[1],[14]	1.50%	[1],[15]	1.50%	[1],[15]
Senior Secured Term Loans [Member] | Peru [Member] | Kinder Investments, Ltd. [Member] | Consumer Products [Member] | Diaper Manufacturer II [Member]
Interest	11.00%	[1],[16]	10.00%	[1],[17]	10.00%	[1],[17]
Fees	0.00%	[1],[5],[16]	0.00%	[1],[5],[17]
Maturity	Dec. 31, 2024	[1],[6],[16]	Aug. 15, 2021	[1],[6],[17]	Aug. 15, 2021	[1],[6],[17]
Principal Amount	$ 4,599,086	[1],[16]	$ 4,599,086	[1],[17]
Amortized Cost	4,599,086	[1],[16]	4,599,086	[1],[17]
Fair Value	$ 4,599,086	[1],[16]	$ 4,599,086	[1],[17]
% of Net Assets	1.30%	[1],[16]	1.20%	[1],[17]	1.20%	[1],[17]
Senior Secured Term Loans [Member] | Croatia [Member] | Other Investments [Member] | Department Stores [Member] | Mall Operator [Member]
Principal Amount | €					€ 6,200,000
Senior Secured Term Loan Participations [Member]
Amortized Cost	$ 164,666,560	[1]	$ 179,588,536	[1]
Fair Value	$ 158,424,908	[1]	$ 180,500,425	[1]
% of Net Assets	43.80%	[1]	49.00%	[1]	49.00%	[1]
Senior Secured Term Loan Participations [Member] | Brazil [Member] | Other Investments [Member] | Programming and Data Processing [Member] | IT Service Provider [Member]
Fees	0.00%	[1],[5],[18]	0.00%	[1],[5],[19],[20]
Maturity	Nov. 24, 2022	[1],[6],[18]	Nov. 24, 2022	[1],[6],[19],[20]	Nov. 24, 2022	[1],[6],[19],[20]
Principal Amount	$ 17,779,123	[1],[18]	$ 17,644,892	[1],[19],[20]
Participation %	27.00%	[1],[18],[21]	75.00%	[1],[19],[20],[21]	75.00%	[1],[19],[20],[21]
Amortized Cost	$ 17,967,951	[1],[18]	$ 17,644,892	[1],[19],[20]
Fair Value	$ 17,967,951	[1],[18]	$ 17,740,330	[1],[19],[20]
% of Net Assets	5.00%	[1],[18]	4.80%	[1],[19],[20]	4.80%	[1],[19],[20]
Senior Secured Term Loan Participations [Member] | Brazil [Member] | Other Investments [Member] | Boatbuilding and Repairing [Member] | Ship Maintenance & Repair Service Provider [Member]
Fees	0.00%	[1],[5],[18]	0.00%	[1],[5],[19],[22]
Maturity	Dec. 07, 2023	[1],[6],[18]	Dec. 07, 2023	[1],[6],[19],[22]	Dec. 07, 2023	[1],[6],[19],[22]
Principal Amount	$ 5,858,439	[1],[18]	$ 5,741,741	[1],[19],[22]
Participation %	42.00%	[1],[18],[21]	42.00%	[1],[19],[21],[22]	42.00%	[1],[19],[21],[22]
Amortized Cost	$ 5,848,683	[1],[18]	$ 5,669,936	[1],[19],[22]
Fair Value	$ 5,848,683	[1],[18]	$ 5,695,069	[1],[19],[22]
% of Net Assets	1.60%	[1],[18]	1.50%	[1],[19],[22]	1.50%	[1],[19],[22]
Senior Secured Term Loan Participations [Member] | Brazil [Member] | Other Investments [Member] | Cash [Member] | Programming and Data Processing [Member] | IT Service Provider [Member]
Interest	10.00%	[1],[18]	10.00%	[1],[19],[20]	10.00%	[1],[19],[20]
Senior Secured Term Loan Participations [Member] | Brazil [Member] | Other Investments [Member] | Cash [Member] | Boatbuilding and Repairing [Member] | Ship Maintenance & Repair Service Provider [Member]
Interest	8.00%	[1],[18]	8.00%	[1],[19],[22]	8.00%	[1],[19],[22]
Senior Secured Term Loan Participations [Member] | Brazil [Member] | Other Investments [Member] | PIK [Member] | Programming and Data Processing [Member] | IT Service Provider [Member]
Interest	1.50%	[1],[18]	1.50%	[1],[19],[20]	1.50%	[1],[19],[20]
Senior Secured Term Loan Participations [Member] | Brazil [Member] | Other Investments [Member] | PIK [Member] | Boatbuilding and Repairing [Member] | Ship Maintenance & Repair Service Provider [Member]
Interest	4.00%	[1],[18]	4.00%	[1],[19],[22]	4.00%	[1],[19],[22]
Senior Secured Term Loan Participations [Member] | Colombia [Member] | Azteca Comunicaciones Colombia S.A.S. [Member] | Telephone Communications [Member] | Fiber Optics Network Provider [Member]
Fees	0.00%	[1],[5],[18],[23]	0.00%	[1],[5],[19]
Maturity	Oct. 15, 2023	[1],[6],[18],[23]	Oct. 15, 2023	[1],[6],[19]	Oct. 15, 2023	[1],[6],[19]
Principal Amount	$ 20,313,749	[1],[18],[23]	$ 19,807,750	[1],[19]
Participation %	76.00%	[1],[18],[21],[23]	76.00%	[1],[19],[21]	76.00%	[1],[19],[21]
Amortized Cost	$ 20,480,733	[1],[18],[23]	$ 19,659,665	[1],[19]
Fair Value	$ 20,480,733	[1],[18],[23]	$ 19,875,473	[1],[19]
% of Net Assets	5.70%	[1],[18],[23]	5.40%	[1],[19]	5.40%	[1],[19]
Senior Secured Term Loan Participations [Member] | Colombia [Member] | Azteca Comunicaciones Colombia S.A.S. [Member] | Cash [Member] | Telephone Communications [Member] | Fiber Optics Network Provider [Member]
Interest	8.95%	[1],[18],[23]	8.95%	[1],[19]	8.95%	[1],[19]
Senior Secured Term Loan Participations [Member] | Colombia [Member] | Azteca Comunicaciones Colombia S.A.S. [Member] | PIK [Member] | Telephone Communications [Member] | Fiber Optics Network Provider [Member]
Interest	5.00%	[1],[18],[23]	4.00%	[1],[19]	4.00%	[1],[19]
Senior Secured Term Loan Participations [Member] | Botswana [Member] | Other Investments [Member] | Short-Term Business Credit [Member] | SME Financier [Member]
Interest	11.47%	[1]	11.67%	[1],[20]	11.67%	[1],[20]
Fees	0.00%	[1],[5]	0.00%	[1],[5],[20]
Maturity	Aug. 18, 2021	[1],[6]	Aug. 18, 2021	[1],[6],[20]	Aug. 18, 2021	[1],[6],[20]
Principal Amount	$ 4,740,000	[1]	$ 4,740,000	[1],[20]
Participation %	47.00%	[1],[21]	47.00%	[1],[20],[21]	47.00%	[1],[20],[21]
Amortized Cost	$ 4,740,000	[1]	$ 4,740,000	[1],[20]
Fair Value	$ 4,740,000	[1]	$ 4,740,000	[1],[20]
% of Net Assets	1.30%	[1]	1.30%	[1],[20]	1.30%	[1],[20]
Senior Secured Term Loan Participations [Member] | Cabo Verde [Member] | Other Investments [Member] | Hotels and Motels [Member] | Hospitality Service Provider [Member]
Fees			0.00%	[1],[5],[22]
Maturity			Aug. 21, 2021	[1],[6],[22]	Aug. 21, 2021	[1],[6],[22]
Principal Amount			$ 12,846,584	[1],[22]
Participation %			88.00%	[1],[21],[22]	88.00%	[1],[21],[22]
Amortized Cost			$ 12,846,584	[1],[22]
Fair Value			$ 12,846,584	[1],[22]
% of Net Assets			3.50%	[1],[22]	3.50%	[1],[22]
Senior Secured Term Loan Participations [Member] | Cabo Verde [Member] | Other Investments [Member] | Cash [Member] | Hotels and Motels [Member] | Hospitality Service Provider [Member]
Interest			10.00%	[1],[22]	10.00%	[1],[22]
Senior Secured Term Loan Participations [Member] | Cabo Verde [Member] | Other Investments [Member] | PIK [Member] | Hotels and Motels [Member] | Hospitality Service Provider [Member]
Interest			4.75%	[1],[22]	4.75%	[1],[22]
Senior Secured Term Loan Participations [Member] | Cabo Verde [Member] | TRG Cape Verde Holdings Ltd [Member] | Hotels and Motels [Member] | Hospitality Service Provider [Member]
Fees	0.00%	[1],[3],[5],[22]
Maturity	Aug. 21, 2021	[1],[3],[6],[22]
Principal Amount	$ 13,156,933	[1],[3],[22]
Participation %	88.00%	[1],[3],[21],[22]
Amortized Cost	$ 13,156,933	[1],[3],[22]
Fair Value	$ 11,359,874	[1],[3],[22]
% of Net Assets	3.20%	[1],[3],[22]
Senior Secured Term Loan Participations [Member] | Cabo Verde [Member] | TRG Cape Verde Holdings Ltd [Member] | Cash [Member] | Hotels and Motels [Member] | Hospitality Service Provider [Member]
Interest	10.00%	[1],[3],[22]
Senior Secured Term Loan Participations [Member] | Cabo Verde [Member] | TRG Cape Verde Holdings Ltd [Member] | PIK [Member] | Hotels and Motels [Member] | Hospitality Service Provider [Member]
Interest	4.75%	[1],[3],[22]
Senior Secured Term Loan Participations [Member] | Croatia [Member] | Other Investments [Member] | Department Stores [Member] | Mall Operator [Member]
Fees	0.00%	[1],[5],[24],[25]	0.00%	[1],[5],[26],[27]
Maturity	Jan. 23, 2021	[1],[6],[24],[25]	Jan. 23, 2021	[1],[6],[26],[27]	Jan. 23, 2021	[1],[6],[26],[27]
Principal Amount	$ 8,723,129	[1],[24],[25]	$ 8,519,535	[1],[26],[27]
Participation %	5.00%	[1],[21],[24],[25]	5.00%	[1],[21],[26],[27]	5.00%	[1],[21],[26],[27]
Amortized Cost	$ 8,723,129	[1],[24],[25]	$ 8,519,535	[1],[26],[27]
Fair Value	$ 8,786,977	[1],[24],[25]	$ 8,638,109	[1],[26],[27]
% of Net Assets	2.40%	[1],[24],[25]	2.30%	[1],[26],[27]	2.30%	[1],[26],[27]
Senior Secured Term Loan Participations [Member] | Croatia [Member] | Other Investments [Member] | Cash [Member] | Department Stores [Member] | Mall Operator [Member]
Interest	7.00%	[1],[24],[25]	7.00%	[1],[26],[27]	7.00%	[1],[26],[27]
Senior Secured Term Loan Participations [Member] | Croatia [Member] | Other Investments [Member] | PIK [Member] | Department Stores [Member] | Mall Operator [Member]
Interest	6.00%	[1],[24],[25]	6.00%	[1],[26],[27]	6.00%	[1],[26],[27]
Senior Secured Term Loan Participations [Member] | Ghana [Member] | Other Investments [Member] | Electric Services [Member] | Power Producer [Member]
Interest			12.46%	[1],[28]	12.46%	[1],[28]
Fees			0.00%	[1],[5],[28]
Maturity			Nov. 12, 2022	[1],[6],[28]	Nov. 12, 2022	[1],[6],[28]
Principal Amount			$ 15,000,000	[1],[28]
Participation %			49.00%	[1],[21],[28]	49.00%	[1],[21],[28]
Amortized Cost			$ 15,000,000	[1],[28]
Fair Value			$ 15,000,000	[1],[28]
% of Net Assets			4.10%	[1],[28]	4.10%	[1],[28]
Senior Secured Term Loan Participations [Member] | Ghana [Member] | Other Investments [Member] | Petroleum and Petroleum Products [Member] | Tank Farm Operator [Member]
Interest	12.00%	[1],[22]	12.00%	[1],[22]	12.00%	[1],[22]
Fees	0.00%	[1],[5],[22]	0.00%	[1],[5],[22]
Maturity	Feb. 10, 2023	[1],[6],[22]	Aug. 10, 2021	[1],[6],[22]	Aug. 10, 2021	[1],[6],[22]
Principal Amount	$ 14,592,683	[1],[22]	$ 15,500,000	[1],[22]
Participation %	76.00%	[1],[21],[22]	76.00%	[1],[21],[22]	76.00%	[1],[21],[22]
Amortized Cost	$ 14,592,683	[1],[22]	$ 15,500,000	[1],[22]
Fair Value	$ 14,592,683	[1],[22]	$ 15,500,000	[1],[22]
% of Net Assets	4.00%	[1],[22]	4.20%	[1],[22]	4.20%	[1],[22]
Senior Secured Term Loan Participations [Member] | Jersey [Member] | Africell Holding Limited [Member] | Telephone Communications [Member] | Mobile Network Operator [Member]
Interest	12.35%	[1],[29]	12.35%	[1],[29]	12.35%	[1],[29]
Fees	3.00%	[1],[5],[29]	3.00%	[1],[5],[29]
Maturity	Mar. 28, 2023	[1],[6],[29]	Mar. 28, 2023	[1],[6],[29]	Mar. 28, 2023	[1],[6],[29]
Principal Amount	$ 15,580,000	[1],[29]	$ 17,290,000	[1],[29]
Participation %	16.00%	[1],[21],[29]	16.00%	[1],[21],[29]	16.00%	[1],[21],[29]
Amortized Cost	$ 15,266,500	[1],[29]	$ 16,919,500	[1],[29]
Fair Value	$ 15,266,500	[1],[29]	$ 16,919,500	[1],[29]
% of Net Assets	4.20%	[1],[29]	4.60%	[1],[29]	4.60%	[1],[29]
Senior Secured Term Loan Participations [Member] | Kenya [Member] | Other Investments [Member] | Freight Transportation Arrangement [Member] | Freight and Cargo Transporter [Member]
Fees	0.00%	[1],[5]	0.00%	[1],[5],[22]
Maturity	Mar. 31, 2023	[1],[6]	Mar. 31, 2023	[1],[6],[22]	Mar. 31, 2023	[1],[6],[22]
Principal Amount	$ 13,779,518	[1]	$ 13,505,035	[1],[22]
Participation %	42.00%	[1],[21]	42.00%	[1],[21],[22]	42.00%	[1],[21],[22]
Amortized Cost	$ 13,779,518	[1]	$ 13,505,035	[1],[22]
Fair Value	$ 13,779,518	[1]	$ 13,505,035	[1],[22]
% of Net Assets	3.80%	[1]	3.70%	[1],[22]	3.70%	[1],[22]
Senior Secured Term Loan Participations [Member] | Kenya [Member] | Other Investments [Member] | Cash [Member] | Freight Transportation Arrangement [Member] | Freight and Cargo Transporter [Member]
Interest	9.88%	[1]	9.88%	[1],[22]	9.88%	[1],[22]
Senior Secured Term Loan Participations [Member] | Kenya [Member] | Other Investments [Member] | PIK [Member] | Freight Transportation Arrangement [Member] | Freight and Cargo Transporter [Member]
Interest	4.00%	[1]	4.00%	[1],[22]	4.00%	[1],[22]
Senior Secured Term Loan Participations [Member] | Namibia [Member] | Other Investments [Member] | Land Subdividers and Developers [Member] | Property Developer [Member]
Fees			0.00%	[1],[5],[30]
Maturity			Aug. 15, 2021	[1],[6],[30]	Aug. 15, 2021	[1],[6],[30]
Principal Amount			$ 16,834,571	[1],[30]
Participation %			100.00%	[1],[21],[30]	100.00%	[1],[21],[30]
Amortized Cost			$ 16,781,000	[1],[30]
Fair Value			$ 16,781,000	[1],[30]
% of Net Assets			4.50%	[1],[30]	4.50%	[1],[30]
Senior Secured Term Loan Participations [Member] | Namibia [Member] | Other Investments [Member] | Cash [Member] | Land Subdividers and Developers [Member] | Property Developer [Member]
Interest			8.50%	[1],[30]	8.50%	[1],[30]
Senior Secured Term Loan Participations [Member] | Namibia [Member] | Other Investments [Member] | PIK [Member] | Land Subdividers and Developers [Member] | Property Developer [Member]
Interest			4.00%	[1],[30]	4.00%	[1],[30]
Senior Secured Term Loan Participations [Member] | Namibia [Member] | Trustco Group Holdings Ltd [Member] | Land Subdividers and Developers [Member] | Property Developer [Member]
Fees	0.00%	[1],[3],[5],[31]
Maturity	Aug. 15, 2021	[1],[3],[6],[31]
Principal Amount	$ 17,176,724	[1],[3],[31]
Participation %	100.00%	[1],[3],[21],[31]
Amortized Cost	$ 17,139,224	[1],[3],[31]
Fair Value	$ 14,873,425	[1],[3],[31]
% of Net Assets	4.10%	[1],[3],[31]
Senior Secured Term Loan Participations [Member] | Namibia [Member] | Trustco Group Holdings Ltd [Member] | Cash [Member] | Land Subdividers and Developers [Member] | Property Developer [Member]
Interest	8.50%	[1],[3],[31]
Senior Secured Term Loan Participations [Member] | Namibia [Member] | Trustco Group Holdings Ltd [Member] | PIK [Member] | Land Subdividers and Developers [Member] | Property Developer [Member]
Interest	4.00%	[1],[3],[31]
Senior Secured Term Loan Participations [Member] | Netherlands [Member] | Other Investments [Member] | Motor Vehicle Parts and Accessories [Member] | Wheel Manufacturer [Member]
Interest	15.00%	[1],[12]
Fees	0.00%	[1],[5],[12]
Maturity	Aug. 20, 2021	[1],[6],[12]
Principal Amount	$ 8,776,515	[1],[12]
Participation %	44.00%	[1],[12],[21]
Amortized Cost	$ 8,974,373	[1],[12]
Fair Value	$ 8,974,373	[1],[12]
% of Net Assets	2.50%	[1],[12]
Senior Secured Term Loan Participations [Member] | Nigeria [Member] | Other Investments [Member] | Water Transportation [Member] | Marine Logistics Provider [Member]
Interest			12.94%	[1],[32]	12.94%	[1],[32]
Fees			0.80%	[1],[5],[32]
Maturity			Sep. 16, 2020	[1],[6],[32]	Sep. 16, 2020	[1],[6],[32]
Principal Amount			$ 12,762,670	[1],[32]
Participation %			100.00%	[1],[21],[32]	100.00%	[1],[21],[32]
Amortized Cost			$ 12,748,503	[1],[32]
Fair Value			$ 12,748,503	[1],[32]
% of Net Assets			3.40%	[1],[32]	3.40%	[1],[32]
Senior Secured Term Loan Participations [Member] | Nigeria [Member] | Helios Maritime I [Member] | Water Transportation [Member] | Marine Logistics Provider [Member]
Interest	12.08%	[1],[3],[33]
Fees	0.80%	[1],[3],[5],[33]
Maturity	Sep. 16, 2020	[1],[3],[6],[33]
Principal Amount	$ 12,762,670	[1],[3],[33]
Participation %	100.00%	[1],[3],[21],[33]
Amortized Cost	$ 12,758,503	[1],[3],[33]
Fair Value	$ 10,515,861	[1],[3],[33]
% of Net Assets	2.90%	[1],[3],[33]
Senior Secured Term Loan Participations [Member] | Romania [Member] | Other Investments [Member] | Food Products [Member] | Bread Manufacturer [Member]
Fees	2.50%	[1],[5],[25]	2.50%	[1],[5],[27]
Maturity	Jul. 18, 2021	[1],[6],[25]	Jul. 18, 2021	[1],[6],[27]	Jul. 18, 2021	[1],[6],[27]
Principal Amount	$ 1,762,289	[1],[25]	$ 2,059,785	[1],[27]
Participation %	25.00%	[1],[21],[25]	27.00%	[1],[21],[27]	27.00%	[1],[21],[27]
Amortized Cost	$ 1,744,775	[1],[25]	$ 2,034,188	[1],[27]
Fair Value	$ 1,744,775	[1],[25]	$ 2,034,188	[1],[27]
% of Net Assets	0.50%	[1],[25]	0.60%	[1],[27]	0.60%	[1],[27]
Senior Secured Term Loan Participations [Member] | Romania [Member] | Other Investments [Member] | Cash [Member] | Food Products [Member] | Bread Manufacturer [Member]
Interest	8.00%	[1],[25]	8.00%	[1],[27]	8.00%	[1],[27]
Senior Secured Term Loan Participations [Member] | Romania [Member] | Other Investments [Member] | PIK [Member] | Food Products [Member] | Bread Manufacturer [Member]
Interest	5.00%	[1],[25]	5.00%	[1],[27]	5.00%	[1],[27]
Senior Secured Term Loan Participations [Member] | Uganda [Member] | Other Investments [Member] | Farm Products [Member] | Grain Processor C [Member]
Interest	14.50%	[1]	14.50%	[1],[20]	14.50%	[1],[20]
Fees	0.00%	[1],[5]	0.00%	[1],[5],[20]
Maturity	Apr. 30, 2024	[1],[6]	Apr. 30, 2024	[1],[6],[20]	Apr. 30, 2024	[1],[6],[20]
Principal Amount	$ 6,850,000	[1]	$ 6,850,000	[1],[20]
Participation %	100.00%	[1],[21]	100.00%	[1],[20],[21]	100.00%	[1],[20],[21]
Amortized Cost	$ 6,873,472	[1]	$ 6,850,000	[1],[20]
Fair Value	$ 6,873,472	[1]	$ 6,850,000	[1],[20]
% of Net Assets	1.90%	[1]	1.90%	[1],[20]	1.90%	[1],[20]
Senior Secured Term Loan Participations [Member] | Zambia [Member] | Other Investments [Member] | Soap, Detergents, and Cleaning [Member] | FMCG Manufacturer [Member]
Interest	11.91%	[1],[7]	12.23%	[1],[7]	12.23%	[1],[7]
Fees	0.00%	[1],[5],[7]	0.00%	[1],[5],[7]
Maturity	Aug. 27, 2023	[1],[6],[7]	Aug. 27, 2023	[1],[6],[7]	Aug. 27, 2023	[1],[6],[7]
Principal Amount	$ 2,620,083	[1],[7]	$ 2,894,698	[1],[7]
Participation %	26.00%	[1],[7],[21]	25.00%	[1],[7],[21]	25.00%	[1],[7],[21]
Amortized Cost	$ 2,620,083	[1],[7]	$ 2,894,698	[1],[7]
Fair Value	$ 2,620,083	[1],[7]	$ 2,894,698	[1],[7]
% of Net Assets	0.70%	[1],[7]	0.80%	[1],[7]	0.80%	[1],[7]
Senior Secured Trade Finance Participations [Member]
Amortized Cost	$ 82,869,781	[1]	$ 83,135,943	[1]
Fair Value	$ 67,795,496	[1]	$ 71,606,458	[1]
% of Net Assets	18.70%	[1]	19.30%	[1]	19.30%	[1]
Senior Secured Trade Finance Participations [Member] | Chile [Member] | Functional Products Trading S.A [Member] | Farm Products [Member] | Chia Seed Exporter [Member]
Interest	10.90%	[1],[3],[34]	10.90%	[1],[3],[34]	10.90%	[1],[3],[34]
Fees	0.00%	[1],[3],[5],[34]	0.00%	[1],[3],[5],[34]
Maturity	Mar. 04, 2018	[1],[3],[6],[34]	Mar. 04, 2018	[1],[3],[6],[34]	Mar. 04, 2018	[1],[3],[6],[34]
Principal Amount	$ 1,326,687	[1],[3],[34]	$ 1,326,687	[1],[3],[34]
Participation %	100.00%	[1],[3],[21],[34]	100.00%	[1],[3],[21],[34]	100.00%	[1],[3],[21],[34]
Amortized Cost	$ 1,326,687	[1],[3],[34]	$ 1,326,687	[1],[3],[34]
Fair Value	$ 1,269,586	[1],[3],[34]	$ 1,269,586	[1],[3],[34]
% of Net Assets	0.40%	[1],[3],[34]	0.30%	[1],[3],[34]	0.30%	[1],[3],[34]
Senior Secured Trade Finance Participations [Member] | Ecuador [Member] | Other Investments [Member] | Commercial Fishing [Member] | Fish Processor & Exporter [Member]
Interest	9.00%	[1],[20],[35]	9.00%	[1],[20],[36]	9.00%	[1],[20],[36]
Fees	0.00%	[1],[5],[20],[35]	0.00%	[1],[5],[20],[36]
Maturity	Jun. 19, 2019	[1],[6],[20],[35]	Jun. 19, 2019	[1],[6],[20],[36]	Jun. 19, 2019	[1],[6],[20],[36]
Principal Amount	$ 35,838	[1],[20],[35]	$ 35,838	[1],[20],[36]
Participation %	3.00%	[1],[20],[21],[35]	3.00%	[1],[20],[21],[36]	3.00%	[1],[20],[21],[36]
Amortized Cost	$ 35,838	[1],[20],[35]	$ 35,838	[1],[20],[36]
Fair Value	$ 35,838	[1],[20],[35]	$ 35,838	[1],[20],[36]
% of Net Assets	0.00%	[1],[20],[35]	0.00%	[1],[20],[36]	0.00%	[1],[20],[36]
Senior Secured Trade Finance Participations [Member] | Hong Kong [Member] | Other Investments [Member] | Coal and Other Minerals and Ores [Member] | Non-Ferrous Metal Trader [Member]
Interest			11.50%	[1],[13]	11.50%	[1],[13]
Fees			0.00%	[1],[5],[13]
Maturity			May 04, 2020	[1],[6],[13]	May 04, 2020	[1],[6],[13]
Principal Amount			$ 16,456,270	[1],[13]
Amortized Cost			16,456,270	[1],[13]
Fair Value			$ 16,456,270	[1],[13]
% of Net Assets			4.50%	[1],[13]	4.50%	[1],[13]
Senior Secured Trade Finance Participations [Member] | Hong Kong [Member] | Other Investments [Member] | Telephone and Telegraph Apparatus [Member] | Mobile Phone Distributor [Member]
Interest			12.00%	[1],[3]	12.00%	[1],[3]
Fees			0.00%	[1],[3],[5]
Maturity			Mar. 31, 2020	[1],[3],[6]	Mar. 31, 2020	[1],[3],[6]
Principal Amount			$ 9,500,000	[1],[3]
Participation %			26.00%	[1],[3],[21]	26.00%	[1],[3],[21]
Amortized Cost			$ 9,500,000	[1],[3]
Fair Value			$ 8,840,048	[1],[3]
% of Net Assets			2.40%	[1],[3]	2.40%	[1],[3]
Senior Secured Trade Finance Participations [Member] | Hong Kong [Member] | Triton Metallics Pte Ltd [Member] | Coal and Other Minerals and Ores [Member] | Non-Ferrous Metal Trader [Member]
Interest	11.50%	[1],[3],[12]
Fees	0.00%	[1],[3],[5],[12]
Maturity	Aug. 15, 2020	[1],[3],[6],[12]
Principal Amount	$ 16,456,270	[1],[3],[12]
Amortized Cost	16,456,270	[1],[3],[12]
Fair Value	$ 14,793,124	[1],[3],[12]
% of Net Assets	4.10%	[1],[3],[12]
Senior Secured Trade Finance Participations [Member] | Hong Kong [Member] | Conplex International Limited | Telephone and Telegraph Apparatus [Member] | Mobile Phone Distributor [Member]
Interest	12.00%	[1],[3]
Fees	0.00%	[1],[3],[5]
Maturity	Apr. 30, 2020	[1],[3],[6]
Principal Amount	$ 9,500,000	[1],[3]
Participation %	26.00%	[1],[3],[21]
Amortized Cost	$ 9,500,000	[1],[3]
Fair Value	$ 7,686,402	[1],[3]
% of Net Assets	2.10%	[1],[3]
Senior Secured Trade Finance Participations [Member] | Nigeria [Member] | Other Investments [Member] | Farm Products [Member] | Cocoa Trader III [Member]
Interest	9.00%	[1],[12],[37]	9.00%	[1],[13],[38]	9.00%	[1],[13],[38]
Fees	0.00%	[1],[5],[12],[37]	0.00%	[1],[5],[13],[38]
Maturity	Aug. 31, 2020	[1],[6],[12],[37]	Apr. 30, 2020	[1],[6],[13],[38]	Apr. 30, 2020	[1],[6],[13],[38]
Principal Amount	$ 675,256	[1],[12],[37]	$ 675,256	[1],[13],[38]
Participation %	25.00%	[1],[12],[21],[37]	25.00%	[1],[13],[21],[38]	25.00%	[1],[13],[21],[38]
Amortized Cost	$ 675,256	[1],[12],[37]	$ 675,256	[1],[13],[38]
Fair Value	$ 675,256	[1],[12],[37]	$ 675,256	[1],[13],[38]
% of Net Assets	0.20%	[1],[12],[37]	0.20%	[1],[13],[38]	0.20%	[1],[13],[38]
Senior Secured Trade Finance Participations [Member] | Nigeria [Member] | Other Investments [Member] | Farm Products [Member] | Cocoa Trader II [Member]
Interest	9.00%	[1],[12],[37]	9.00%	[1],[13],[38]	9.00%	[1],[13],[38]
Fees	0.00%	[1],[5],[12],[37]	0.00%	[1],[5],[13],[38]
Maturity	Aug. 31, 2020	[1],[6],[12],[37]	Apr. 30, 2020	[1],[6],[13],[38]	Apr. 30, 2020	[1],[6],[13],[38]
Principal Amount	$ 838,967	[1],[12],[37]	$ 838,967	[1],[13],[38]
Participation %	14.00%	[1],[12],[21],[37]	14.00%	[1],[13],[21],[38]	14.00%	[1],[13],[21],[38]
Amortized Cost	$ 838,967	[1],[12],[37]	$ 838,967	[1],[13],[38]
Fair Value	$ 838,967	[1],[12],[37]	$ 838,967	[1],[13],[38]
% of Net Assets	0.20%	[1],[12],[37]	0.20%	[1],[13],[38]	0.20%	[1],[13],[38]
Senior Secured Trade Finance Participations [Member] | Argentina [Member] | Compania Argentina de Granos S.A. [Member] | Agricultural Products [Member] | Agriculture Distributor [Member]
Interest	10.45%	[1],[3]	10.45%	[1],[3],[34]	10.45%	[1],[3],[34]
Fees	0.00%	[1],[3],[5]	0.00%	[1],[3],[5],[34]
Maturity	Jun. 30, 2018	[1],[3],[6]	Jun. 30, 2018	[1],[3],[6],[34]	Jun. 30, 2018	[1],[3],[6],[34]
Principal Amount	$ 12,500,000	[1],[3]	$ 12,500,000	[1],[3],[34]
Participation %	83.00%	[1],[3],[21]	83.00%	[1],[3],[21],[34]	83.00%	[1],[3],[21],[34]
Amortized Cost	$ 12,500,000	[1],[3]	$ 12,500,000	[1],[3],[34]
Fair Value	$ 9,679,636	[1],[3]	$ 9,839,958	[1],[3],[34]
% of Net Assets	2.70%	[1],[3]	2.70%	[1],[3],[34]	2.70%	[1],[3],[34]
Senior Secured Trade Finance Participations [Member] | Argentina [Member] | Sancor Cooperativas Unidas Ltda [Member] | Consumer Products [Member] | Dairy Co-Operative [Member]
Interest	10.67%	[1],[3]	10.67%	[1],[3],[34]	10.67%	[1],[3],[34]
Fees	0.00%	[1],[3],[5]	0.00%	[1],[3],[5],[34]
Maturity	Jul. 29, 2019	[1],[3],[6]	Jul. 29, 2019	[1],[3],[6],[34]	Jul. 29, 2019	[1],[3],[6],[34]
Principal Amount	$ 6,000,000	[1],[3]	$ 6,000,000	[1],[3],[34]
Participation %	22.00%	[1],[3],[21]	22.00%	[1],[3],[21],[34]	22.00%	[1],[3],[21],[34]
Amortized Cost	$ 6,000,000	[1],[3]	$ 6,000,000	[1],[3],[34]
Fair Value	$ 4,719,383	[1],[3]	$ 4,719,383	[1],[3],[34]
% of Net Assets	1.30%	[1],[3]	1.30%	[1],[3],[34]	1.30%	[1],[3],[34]
Senior Secured Trade Finance Participations [Member] | Argentina [Member] | Frigorifico Regional Industrias Alimentarias S.A. Sucursal Uruguay [Member] | Meat, Poultry & Fish [Member] | Beef Exporter [Member]
Interest	11.50%	[1],[3],[34]	11.50%	[1],[3],[34]	11.50%	[1],[3],[34]
Fees	0.00%	[1],[3],[5],[34]	0.00%	[1],[3],[5],[34]
Maturity	Aug. 31, 2017	[1],[3],[6],[34]	Aug. 31, 2017	[1],[3],[6],[34]	Aug. 31, 2017	[1],[3],[6],[34]
Principal Amount	$ 9,000,000	[1],[3],[34]	$ 9,000,000	[1],[3],[34]
Participation %	28.00%	[1],[3],[21],[34]	28.00%	[1],[3],[21],[34]	28.00%	[1],[3],[21],[34]
Amortized Cost	$ 9,000,000	[1],[3],[34]	$ 9,000,000	[1],[3],[34]
Fair Value	$ 6,361,679	[1],[3],[34]	$ 6,240,961	[1],[3],[34]
% of Net Assets	1.80%	[1],[3],[34]	1.70%	[1],[3],[34]	1.70%	[1],[3],[34]
Senior Secured Trade Finance Participations [Member] | Argentina [Member] | Algodonera Avellaneda S.A [Member] | Fats and Oils [Member] | Oilseed Distributor [Member]
Interest	9.00%	[1],[3],[34]	9.00%	[1],[3],[34]	9.00%	[1],[3],[34]
Fees	0.00%	[1],[3],[5],[34]	0.00%	[1],[3],[5],[34]
Maturity	Aug. 31, 2017	[1],[3],[6],[34]	Aug. 31, 2017	[1],[3],[6],[34]	Aug. 31, 2017	[1],[3],[6],[34]
Principal Amount	$ 6,000,000	[1],[3],[34]	$ 6,000,000	[1],[3],[34]
Participation %	27.00%	[1],[3],[21],[34]	27.00%	[1],[3],[21],[34]	27.00%	[1],[3],[21],[34]
Amortized Cost	$ 6,000,000	[1],[3],[34]	$ 6,000,000	[1],[3],[34]
Fair Value	$ 3,398,558	[1],[3],[34]	$ 3,398,558	[1],[3],[34]
% of Net Assets	0.90%	[1],[3],[34]	0.90%	[1],[3],[34]	0.90%	[1],[3],[34]
Senior Secured Trade Finance Participations [Member] | Cameroon [Member] | Other Investments [Member] | Chocolate and Cocoa Products [Member] | Cocoa & Coffee Exporter [Member]
Interest			16.42%	[1],[3]	16.42%	[1],[3]
Fees			0.00%	[1],[3],[5]
Maturity			Aug. 31, 2019	[1],[3],[6]	Aug. 31, 2019	[1],[3],[6]
Principal Amount			$ 10,413,683	[1],[3]
Participation %			72.00%	[1],[3],[21]	72.00%	[1],[3],[21]
Amortized Cost			$ 10,413,683	[1],[3]
Fair Value			$ 9,687,887	[1],[3]
% of Net Assets			2.60%	[1],[3]	2.60%	[1],[3]
Senior Secured Trade Finance Participations [Member] | Cameroon [Member] | Producam SA [Member] | Chocolate and Cocoa Products [Member] | Cocoa & Coffee Exporter [Member]
Interest	16.42%	[1],[3]
Fees	0.00%	[1],[3],[5]
Maturity	Aug. 31, 2019	[1],[3],[6]
Principal Amount	$ 10,413,683	[1],[3]
Participation %	72.00%	[1],[3],[21]
Amortized Cost	$ 10,413,683	[1],[3]
Fair Value	$ 9,192,637	[1],[3]
% of Net Assets	2.50%	[1],[3]
Senior Secured Trade Finance Participations [Member] | Cameroon [Member] | Maximum [Member] | Other Investments [Member] | Chocolate and Cocoa Products [Member] | Cocoa & Coffee Exporter [Member]
Maturity			Apr. 30, 2020		Apr. 30, 2020
Senior Secured Trade Finance Participations [Member] | Guatemala [Member] | Procesos Fabriles S.A. [Member] | Farm Products [Member] | Sesame Seed Exporter [Member]
Interest	12.00%	[1],[3],[34]	12.00%	[1],[3],[34]	12.00%	[1],[3],[34]
Fees	0.00%	[1],[3],[5],[34]	0.00%	[1],[3],[5],[34]
Maturity	Mar. 31, 2016	[1],[3],[6],[34]	Mar. 31, 2016	[1],[3],[6],[34]	Mar. 31, 2016	[1],[3],[6],[34]
Principal Amount	$ 881,800	[1],[3],[34]	$ 881,800	[1],[3],[34]
Participation %	24.00%	[1],[3],[21],[34]	24.00%	[1],[3],[21],[34]	24.00%	[1],[3],[21],[34]
Amortized Cost	$ 881,800	[1],[3],[34]	$ 881,800	[1],[3],[34]
Fair Value	$ 10,504	[1],[3],[34]	$ 10,504	[1],[3],[34]
% of Net Assets	0.00%	[1],[3],[34]	0.00%	[1],[3],[34]	0.00%	[1],[3],[34]
Senior Secured Trade Finance Participations [Member] | Mauritius [Member] | Other Investments [Member] | Groceries and Related Products [Member] | Vanilla Exporter [Member]
Interest	10.68%	[1],[37]	12.20%	[1],[13]	12.20%	[1],[13]
Fees	0.00%	[1],[5],[37]	0.00%	[1],[5],[13]
Maturity	Aug. 06, 2020	[1],[6],[37]	May 08, 2020	[1],[6],[13]	May 08, 2020	[1],[6],[13]
Principal Amount	$ 457,418	[1],[37]	$ 468,756	[1],[13]
Participation %	2.00%	[1],[21],[37]	2.00%	[1],[13],[21]	2.00%	[1],[13],[21]
Amortized Cost	$ 457,418	[1],[37]	$ 468,756	[1],[13]
Fair Value	$ 457,418	[1],[37]	$ 468,756	[1],[13]
% of Net Assets	0.10%	[1],[37]	0.10%	[1],[13]	0.10%	[1],[13]
Senior Secured Trade Finance Participations [Member] | Morocco [Member] | Mac Z Group SARL [Member] | Secondary Nonferrous Metals [Member] | Scrap Metal Recycler [Member]
Interest	11.00%	[1],[3]	11.00%	[1],[3],[34]	11.00%	[1],[3],[34]
Fees	0.00%	[1],[3],[5]	0.00%	[1],[3],[5],[34]
Maturity	Jul. 31, 2018	[1],[3],[6]	Jul. 31, 2018	[1],[3],[6],[34]	Jul. 31, 2018	[1],[3],[6],[34]
Principal Amount	$ 7,349,626	[1],[3]	$ 7,349,626	[1],[3],[34]
Participation %	73.00%	[1],[3],[21]	73.00%	[1],[3],[21],[34]	73.00%	[1],[3],[21],[34]
Amortized Cost	$ 7,349,626	[1],[3]	$ 7,349,626	[1],[3],[34]
Fair Value	$ 7,530,616	[1],[3]	$ 7,530,616	[1],[3],[34]
% of Net Assets	2.10%	[1],[3]	2.00%	[1],[3],[34]	2.00%	[1],[3],[34]
Senior Secured Trade Finance Participations [Member] | South Africa [Member] | Other Investments [Member] | Communications Equipment [Member] | Electronics Assembler [Member]
Interest			12.00%	[1],[13]	12.00%	[1],[13]
Fees			0.00%	[1],[5],[13]
Maturity			Feb. 14, 2020	[1],[6],[13]	Feb. 14, 2020	[1],[6],[13]
Principal Amount			$ 100,000	[1],[13]
Participation %			1.00%	[1],[13],[21]	1.00%	[1],[13],[21]
Amortized Cost			$ 100,000	[1],[13]
Fair Value			$ 100,000	[1],[13]
% of Net Assets			0.00%	[1],[13]	0.00%	[1],[13]
Senior Secured Trade Finance Participations [Member] | South Africa [Member] | Applewood Trading 199 Pty, Ltd [Member] | Food Products [Member] | Fruit & Nut Distributor [Member]
Interest	10.00%	[1],[3],[34]	10.00%	[1],[3],[34]	10.00%	[1],[3],[34]
Fees	0.00%	[1],[3],[5],[34]	0.00%	[1],[3],[5],[34]
Maturity	May 22, 2015	[1],[3],[6],[34]	May 22, 2015	[1],[3],[6],[34]	May 22, 2015	[1],[3],[6],[34]
Principal Amount	$ 785,806	[1],[3],[34]	$ 785,806	[1],[3],[34]
Participation %	19.00%	[1],[3],[21],[34]	19.00%	[1],[3],[21],[34]	19.00%	[1],[3],[21],[34]
Amortized Cost	$ 785,806	[1],[3],[34]	$ 785,806	[1],[3],[34]
Fair Value	$ 497,462	[1],[3],[34]	$ 690,616	[1],[3],[34]
% of Net Assets	0.10%	[1],[3],[34]	0.20%	[1],[3],[34]	0.20%	[1],[3],[34]
Senior Secured Trade Finance Participations [Member] | United Arab Emirates [Member] | Global Pharma Intelligence Sarl [Member] | Drugs, Proprietaries, and Sundries [Member] | Pharmaceuticals Distributor [Member]
Interest	14.60%	[1],[3],[34]	14.60%	[1],[3],[34]	14.60%	[1],[3],[34]
Fees	0.00%	[1],[3],[5],[34]	0.00%	[1],[3],[5],[34]
Maturity	Jun. 30, 2018	[1],[3],[6],[34]	Jun. 30, 2018	[1],[3],[6],[34]	Jun. 30, 2018	[1],[3],[6],[34]
Principal Amount	$ 648,430	[1],[3],[34]	$ 803,254	[1],[3],[34]
Participation %	60.00%	[1],[3],[21],[34]	60.00%	[1],[3],[21],[34]	60.00%	[1],[3],[21],[34]
Amortized Cost	$ 648,430	[1],[3],[34]	$ 803,254	[1],[3],[34]
Fair Value	$ 648,430	[1],[3],[34]	$ 803,254	[1],[3],[34]
% of Net Assets	0.20%	[1],[3],[34]	0.20%	[1],[3],[34]	0.20%	[1],[3],[34]
Short Term Investments [Member]
Amortized Cost			$ 6,000,000
Fair Value			$ 3,758,063
Short Term Investments [Member] | IIG TOF B.V. [Member] | Financial Services [Member] | Receivable from IIG TOF B.V. [Member]
Interest	8.75%	[1],[3],[34],[39]
Fees	0.00%	[1],[3],[5],[34],[39]
Principal Amount	$ 6,000,000	[1],[3],[34],[39]
Amortized Cost	6,000,000	[1],[3],[34],[39]
Fair Value	$ 3,758,063	[1],[3],[34],[39]
% of Net Assets	1.00%	[1],[3],[34],[39]
Short Term Investments [Member] | IIG TOF B.V. [Member] | Financial Services [Member] | Receivable from IIG [Member]
Interest			8.75%	[1],[3],[34],[40]	8.75%	[1],[3],[34],[40]
Fees			0.00%	[1],[3],[5],[34],[40]
Principal Amount			$ 6,000,000	[1],[3],[34],[40]
Amortized Cost			6,000,000	[1],[3],[34],[40]
Fair Value			$ 3,758,063	[1],[3],[34],[40]
% of Net Assets			1.00%	[1],[3],[34],[40]	1.00%	[1],[3],[34],[40]
Short Term Investments [Member] | Netherlands [Member] | Other Investments [Member] | Motor Vehicle Parts and Accessories [Member] | Wheel Manufacturer [Member]
Interest			15.00%	[1],[13]	15.00%	[1],[13]
Fees			0.00%	[1],[5],[13]
Maturity			Aug. 20, 2021	[1],[6],[13]	Aug. 20, 2021	[1],[6],[13]
Principal Amount			$ 8,275,000	[1],[13]
Participation %			44.00%	[1],[13],[21]	44.00%	[1],[13],[21]
Amortized Cost			$ 8,275,000	[1],[13]
Fair Value			$ 8,731,936	[1],[13]
% of Net Assets			2.40%	[1],[13]	2.40%	[1],[13]
Equity Warrants [Member]
Fair Value	$ 1,199,618		$ 1,080,222
Equity Warrants [Member] | Mexico [Member] | Blue Arrow Biojet Holdings, LLC [Member] | Refuse Systems [Member] | Waste to Fuels Processor [Member]
Fair Value	$ 1,199,618		$ 1,080,222
% of Net Assets	0.30%		0.30%		0.30%

[1] Refer to Notes 2, 3 and 4 of the consolidated financial statements for additional information on the Company’s investments.

[2] Principal and interest paid annually. The maturity date is expected to be extended in connection with a restructure of the loan. Refer to Note 3 for additional information.

[3] Watch List investment. Refer to Note 3 for additional information.

[4] Principal and interest paid annually. The maturity date was extended to 2/28/2021 in connection with a restructure of the loan. Refer to Note 3 for additional information.

[5] Fees may include upfront, origination, commitment, facility and/or other fees that the borrower must contractually pay to the Company. Fees, if any, are typically received in connection with term loan transactions and are rarely applicable to trade finance transactions.

[6] Trade finance borrowers may be granted flexibility with respect to repayment relative to the stated maturity date to accommodate specific contracts and/or business cycle characteristics. This flexibility in each case is agreed upon between the Company and the sub-advisor and between the sub-advisor and the borrower.

[7] Principal and interest paid monthly.

[8] Interest paid quarterly. Principal to be repaid in four equal quarterly installments starting in September 2020.

[9] Interest paid quarterly. Principal to be repaid in four equal quarterly installments starting in March 2020.

[10] Interest paid quarterly. Principal to be repaid in three quarterly installments starting in September 2020.

[11] Interest paid quarterly. Principal to be repaid in five equal quarterly installments starting in March 2020.

[12] Principal and interest to be paid at maturity.

[13] Principal and interest paid at maturity.

[14] Two-thirds and one-third of the principal and accrued interest to be paid on the 36th and 42nd months after original drawdown date of 8/10/2017, respectively.

[15] Two-thirds and one-third of the principal and accrued interest to be paid on the 36th and 42nd months after original drawdown date of 8/10/2017, respectively. Subsequent to 9/30/2019, $1.8 million was received as partial repayment.

[16] In connection with a restructure of the underlying facilities, all maturity dates were extended to 12/31/2024. This investment was removed from the Watch List on April 1, 2019.

[17] In connection with a restructure of the underlying facilities, all maturity dates were extended to 8/15/21. This investment was removed from the Watch List on April 1, 2019.

[18] Interest includes a stated coupon rate plus additional contingent interest payments based on a percentage of EBITDA after a minimum threshold has been achieved by the borrower.

[19] Cash interest paid monthly. Principal, including PIK interest, to be repaid in equal monthly installments starting in October 2020. 

[20] Monthly interest only payment. Principal due at maturity.

[21] Percentage of the Company’s participation in total borrowings outstanding under sub-advisor provided financing facility.

[22] Principal and interest paid quarterly.

[23] Cash interest paid monthly. Principal, including PIK interest, to be repaid in equal monthly installments starting in October 2020.

[24] Loan is denominated in euro currency with a principal amount of 6,200,000 euro; however, the Company’s participation is denominated in US dollars. The quarterly interest payments are paid at the current exchange rate and subject to foreign currency fluctuations. The fair value includes an investment premium of $91,200.

[25] Quarterly interest only payment. Principal due at maturity.

[26] Loan is denominated in euro currency with a principal amount of 6,200,000 euro, however the Company’s participation is denominated in US dollars. The quarterly interest payments are paid at the current exchange rate and subject to foreign currency fluctuations. The fair value includes an investment premium of $228,027.

[27] Semi-annual interest only payment. Principal due at maturity.

[28] Semi-annual interest payments. Semi-annual principal payment of $1.07 million starting January 31, 2021 with remaining balance due at maturity.

[29] Quarterly interest payments. Principal to start amortizing 15 months from initial utilization date (IUD) as follows: 4.5% of loan balance quarterly until IUD + 27 months, then 6.5% of loan balance quarterly until IUD + 48 months, thereafter 7.5% of loan balance quarterly until maturity.

[30] Quarterly interest payments. Principal payments of 30% of total principal balance disbursed to be repaid on 6/30/2020 and 6/30/2021, with the remaining principal to be paid at maturity.

[31] Quarterly interest payments. Refer to Note 3 for additional information.

[32] Interest accrues at a variable rate of one-month Libor + 10.5%, which is paid currently, and also includes 4.68% of deferred interest due at maturity.

[33] Interest accrues at a variable rate of one-month London Interbank Offered Rate (“Libor”) + 10.5%, which is paid currently, and also includes 4.68% of deferred interest due at maturity.

[34] Investment on non-accrual status.

[35] IIG was the sub-advisor for this investment, See Note 3 for additional information about IIG.

[36] During the third quarter 2018, the maturity date of this investment was extended to 6/19/2019.

[37] The Company is currently working on extending the maturity dates of these investments. These extensions are anticipated to be finalized during the third quarter of 2020.

[38] The Company extended the maturity dates of these investments during the fourth quarter of 2019 to 4/30/2020.

[39] This investment was originally classified as an investment in a credit facility originated by IIG Trade Opportunities Fund B.V. (“IIG TOF B.V.”), a fund advised by The International Investment Group L.L.C. (“IIG”). During the third quarter of 2018, as part of its quarterly verification process, the Company learned new information concerning this investment, which resulted in the Company reclassifying it from senior secured trade finance participations to short term investments. Please see Note 3 for additional information.

[40] This investment was originally classified as an investment in a credit facility originated by IIG TOF B.V., a fund advised IIG. During the third quarter of 2018, as part of its quarterly verification process, the Company learned new information concerning this investment, which resulted in the Company reclassifying it from senior secured trade finance participations to short term investments. Please see Note 3 for additional information.